// 云函数入口文件
const cloud = require('wx-server-sdk')

cloud.init()

// 云函数入口函数
exports.main = async (event, context) => {
   const wxContext = cloud.getWXContext()

   return {
      event,
      openid: wxContext.OPENID,
      appid: wxContext.APPID,
      unionid: wxContext.UNIONID,
      sun: event.a + event.b
   }
}